pkgs/development/interpreters/lua-5/wrap.sh

   1 # Inspired by python/wrapper.nix
   2 # Wrapper around wrapLuaProgramsIn, below. The $luaPath
   3 # variable is passed in from the buildLuarocksPackage function.
   4 set -e
   5
   6 source @lua@/nix-support/utils.sh
   7
   8 wrapLuaPrograms() {
   9   wrapLuaProgramsIn "$out/bin" "$out $luaPath"
  10 }
  11
  12 # with an executable shell script which will set some environment variables
  13 # and then call into the original binary (which has been given a .wrapped suffix).
  14 # luaPath is a list of directories
  15 wrapLuaProgramsIn() {
  16   local dir="$1"
  17   local luaPath="$2"
  18   local f
  19
  20   buildLuaPath "$luaPath"
  21
  22   if [ ! -d "$dir" ]; then
  23     nix_debug "$dir not a directory"
  24     return
  25   fi
  26
  27   nix_debug "wrapping programs in [$dir]"
  28
  29   # Find all regular files in the output directory that are executable.
  30   find "$dir" -type f -perm -0100 -print0 | while read -d "" f; do
  31     # Rewrite "#! .../env lua" to "#! /nix/store/.../lua".
  32     # Lua to use besides one with this hook anyway.
  33     if head -n1 "$f" | grep -q '#!.*/env.*\(lua\)'; then
  34       sed -i "$f" -e "1 s^.*/env[ ]*\(lua\)[^ ]*^#! @executable@^"
  35     fi
  36
  37     # wrapProgram creates the executable shell script described
  38     # above. The script will set LUA_(C)PATH and PATH variables!
  39     # (see pkgs/build-support/setup-hooks/make-wrapper.sh)
  40     local -a wrap_args=("$f"
  41       --prefix PATH ':' "$program_PATH"
  42       --prefix LUA_PATH ';' "$LUA_PATH"
  43       --prefix LUA_CPATH ';' "$LUA_CPATH"
  44     )
  45
  46     # Add any additional arguments provided by makeWrapperArgs
  47     # argument to buildLuaPackage.
  48     # makeWrapperArgs
  49     local -a user_args="($makeWrapperArgs)"
  50     local -a wrapProgramArgs=("${wrap_args[@]}" "${user_args[@]}")
  51
  52     # see setup-hooks/make-wrapper.sh
  53     wrapProgram "${wrapProgramArgs[@]}"
  54
  55   done
  56 }